/**
* Called via eglMakeCurrent(), drv->API.MakeCurrent().
*/
static EGLBoolean
xdri_eglMakeCurrent(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *d,
_EGLSurface *r, _EGLContext *context)
{
struct xdri_egl_context *xdri_ctx = lookup_context(context);
struct xdri_egl_surface *draw = lookup_surface(d);
struct xdri_egl_surface *read = lookup_surface(r);
if (!_eglMakeCurrent(drv, dpy, d, r, context))
return EGL_FALSE;
/* the symbol is defined in libGL.so */
_glapi_check_multithread();
if (xdri_ctx) {
if (!xdri_ctx->driContext->bindContext(xdri_ctx->driContext,
draw->driDrawable,
read->driDrawable)) {
return EGL_FALSE;
}
}
else {
_EGLContext *old = _eglGetCurrentContext();
if (old) {
xdri_ctx = lookup_context(old);
xdri_ctx->driContext->unbindContext(xdri_ctx->driContext);
}
}
return EGL_TRUE;
}
static EGLBoolean
xlib_eglDestroyContext(_EGLDriver *drv, EGLDisplay dpy, EGLContext ctx)
{
struct xlib_egl_context *context = lookup_context(ctx);
if (context) {
if (context->Base.IsBound) {
context->Base.DeletePending = EGL_TRUE;
}
else {
/* API-dependent clean-up */
switch (context->Base.ClientAPI) {
case EGL_OPENGL_ES_API:
/* fall-through */
case EGL_OPENGL_API:
st_destroy_context(context->Context);
break;
default:
assert(0);
}
free(context);
}
return EGL_TRUE;
}
else {
_eglError(EGL_BAD_CONTEXT, "eglDestroyContext");
return EGL_TRUE;
}
}
HOT_INLINE
static void cb_Exit(
hot_contextID_t id,
unsigned *cs
) {
hot_context_t s;
hot_ens_Exit_cback exit_cb;
void *env;
begin_critical(); {
s = lookup_context(id);
if (!s->leaving)
hot_sys_Panic("hot_ens_Exit_cbd: mbr state is not leaving");
env = s->env;
exit_cb = s->conf.exit;
} end_critical();
if (exit_cb != NULL) {
(*exit_cb)(s, env);
}
begin_critical(); {
release_context(s);
} end_critical();
}
HOT_INLINE
static void cb_Block(
hot_contextID_t id,
unsigned *cs
) {
hot_context_t s;
void *env;
hot_ens_Block_cback block;
begin_critical(); {
s = lookup_context(id);
env = s->env;
block = s->conf.block;
s->blocked = 1;
} end_critical();
if (block != NULL) {
(*block)(s, env);
}
/* Write the block_ok downcall.
*/
begin_write(); {
write_hdr(s,DN_BLOCK_OK) ;
} end_write();
}
HOT_INLINE
static void cb_Send(
hot_contextID_t id,
unsigned *cs
) {
hot_err_t err;
hot_endpt_t endpt ;
hot_uint32 origin ;
hot_msg_t msg;
hot_context_t s;
void *env;
hot_ens_ReceiveSend_cback receive_send;
trace("cb_Send");
read_int(&origin);
read_msg(&msg);
begin_critical(); {
s = lookup_context(id);
env = s->env;
assert(origin < s->nmembers) ;
endpt = s->view[origin] ;
receive_send = s->conf.receive_send;
} end_critical();
if (receive_send != NULL) {
trace("receive_send");
(*receive_send)(s, env, &endpt, msg);
}
err = hot_msg_Release(&msg);
if (err != HOT_OK)
hot_sys_Panic(hot_err_ErrString(err));
}
/**
* Called via eglCreateContext(), drv->API.CreateContext().
*/
static _EGLContext *
xdri_eglCreateContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
_EGLContext *share_list, const EGLint *attrib_list)
{
struct xdri_egl_display *xdri_dpy = lookup_display(dpy);
struct xdri_egl_config *xdri_config = lookup_config(conf);
struct xdri_egl_context *shared = lookup_context(share_list);
__GLXscreenConfigs *psc = xdri_dpy->psc;
int renderType = GLX_RGBA_BIT;
struct xdri_egl_context *xdri_ctx;
xdri_ctx = CALLOC_STRUCT(xdri_egl_context);
if (!xdri_ctx) {
_eglError(EGL_BAD_ALLOC, "eglCreateContext");
return NULL;
}
xdri_ctx->dummy_gc = CALLOC_STRUCT(__GLXcontextRec);
if (!xdri_ctx->dummy_gc) {
_eglError(EGL_BAD_ALLOC, "eglCreateContext");
free(xdri_ctx);
return NULL;
}
if (!_eglInitContext(drv, &xdri_ctx->Base, &xdri_config->Base, attrib_list)) {
free(xdri_ctx->dummy_gc);
free(xdri_ctx);
return NULL;
}
/* the config decides the render buffer for the context */
xdri_ctx->Base.WindowRenderBuffer = xdri_config->window_render_buffer;
xdri_ctx->driContext =
psc->driScreen->createContext(psc,
xdri_config->mode,
xdri_ctx->dummy_gc,
(shared) ? shared->dummy_gc : NULL,
renderType);
if (!xdri_ctx->driContext) {
free(xdri_ctx->dummy_gc);
free(xdri_ctx);
return NULL;
}
/* fill in the required field */
xdri_ctx->dummy_gc->driContext = xdri_ctx->driContext;
return &xdri_ctx->Base;
}
static EGLBoolean
xdri_eglDestroyContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
{
struct xdri_egl_display *xdri_dpy = lookup_display(dpy);
struct xdri_egl_context *xdri_ctx = lookup_context(ctx);
if (!_eglIsContextBound(ctx)) {
xdri_ctx->driContext->destroyContext(xdri_ctx->driContext,
xdri_dpy->psc, xdri_dpy->dpy);
free(xdri_ctx->dummy_gc);
free(xdri_ctx);
}
return EGL_TRUE;
}
/**
* Called via eglMakeCurrent(), drv->API.MakeCurrent().
*/
static EGLBoolean
xlib_eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy,
EGLSurface draw, EGLSurface read, EGLContext ctx)
{
struct xlib_egl_context *context = lookup_context(ctx);
struct xlib_egl_surface *draw_surf = lookup_surface(draw);
struct xlib_egl_surface *read_surf = lookup_surface(read);
if (!_eglMakeCurrent(drv, dpy, draw, read, context))
return EGL_FALSE;
st_make_current((context ? context->Context : NULL),
(draw_surf ? draw_surf->Framebuffer : NULL),
(read_surf ? read_surf->Framebuffer : NULL));
if (draw_surf)
check_and_update_buffer_size(draw_surf);
if (read_surf && read_surf != draw_surf)
check_and_update_buffer_size(draw_surf);
return EGL_TRUE;
}
HOT_INLINE
static void cb_Heartbeat(
hot_contextID_t id,
unsigned *cs
) {
hot_context_t s;
void *env;
hot_uint32 t;
hot_ens_Heartbeat_cback heartbeat;
read_int(&t);
begin_critical(); {
s = lookup_context(id);
env = s->env;
heartbeat = s->conf.heartbeat;
} end_critical();
if (heartbeat != NULL) {
(*heartbeat)(s, env, t);
}
}
HOT_INLINE
static void cb_View(
hot_contextID_t id,
unsigned *cs
) {
hot_uint32 tmp ;
hot_view_state_t vs;
hot_context_t s;
void *env;
hot_ens_AcceptedView_cback accepted_view;
unsigned ncl;
trace("VIEW");
read_string_prealloc(vs.version);
trace("\t version: %s", vs.version);
read_string_prealloc(vs.group_name);
trace("\t group_name: %s", vs.group_name);
read_endpList(&vs.nmembers, &vs.members);
trace("\t nmembers: %d", vs.nmembers);
{
unsigned i;
for (i = 0; i < vs.nmembers; i++)
trace("\t\t member[%d] = %s", i, vs.members[i].name);
}
read_int(&tmp) ;
vs.rank = tmp ;
trace("\t rank: %d", vs.rank);
read_string_prealloc(vs.protocol);
trace("\t protocol: %s", vs.protocol);
read_bool(&vs.groupd);
trace("\t groupd: %d", vs.groupd);
read_int(&tmp);
vs.view_id.ltime = tmp ;
trace("\t view_id.ltime: %d", vs.view_id.ltime);
read_endpID(&vs.view_id.coord);
trace("\t view_id.coord: %s", vs.view_id.coord.name);
read_string_prealloc(vs.params);
trace("\t params: %s", vs.params);
read_bool(&vs.xfer_view);
trace("\t xfer_view: %d", vs.xfer_view);
read_bool(&vs.primary);
trace("\t primary: %d", vs.primary);
read_boolList(&ncl, &vs.clients);
assert(ncl == vs.nmembers);
read_string_prealloc(vs.key);
trace("\t key: %s", vs.key);
begin_critical(); {
s = lookup_context(id);
env = s->env;
accepted_view = s->conf.accepted_view;
/* The group is unblocked now.
*/
s->blocked = 0;
} end_critical();
if (s->view) {
assert(s->nmembers > 0) ;
release_endpt_array(ch_endpt_array, s->view, s->nmembers) ;
}
s->nmembers = vs.nmembers ;
assert(s->nmembers > 0) ;
s->view = alloc_endpt_array(ch_endpt_array, s->nmembers) ;
memcpy(s->view,vs.members,s->nmembers * sizeof(*vs.members)) ;
if (accepted_view != NULL) {
(*accepted_view)(s, env, &vs);
}
begin_critical(); {
if (vs.members != NULL) {
release_endpt_array(ch_endpt_array,
vs.members,
vs.nmembers) ;
}
if (vs.clients != NULL) {
release_bool_array(ch_bool_array,
vs.clients,
vs.nmembers) ;
}
s->joining = 0 ;
} end_critical();
}